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Air quality · Riau, Indonesia

Batam Air Quality Index (AQI) today

Modelled estimate for 19:00 local time (UTC+7), refreshed 3 Nov, 07:52 UTC+0.

115 Unhealthy for sensitive groups

Live estimate · modelled

US EPA AQI19:00 UTC+7, 3 Nov Main pollutant: O₃

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

This page uses EPA’s NowCast, which follows the last few hours, as the US government’s AirNow does. On a 24-hour average of particles, as many apps show, it is 65.

Over the next 24 hours the model expects the AQI to range from 55 around 00:00 to 108 around 20:00 (3 Nov).

152nd most polluted of 849 cities worldwide right now, 10th of 25 in Indonesia.

What to do today

  • Long walk or run outside Shorter if you have asthma or heart disease
  • Kids playing outside OK, less for kids with asthma
  • Airing the house Open
  • Mask outdoors If you are in a sensitive group

Based on the US EPA’s health statement: “Members of sensitive groups may experience health effects. The general public is less likely to be affected.” General guidance, not medical advice.

Last 24 hours and next 48

Past hours Forecast

20:00 · 80 21:00 · 74 22:00 · 64 23:00 · 61 00:00 · 59 01:00 · 58 02:00 · 58 03:00 · 60 04:00 · 60 05:00 · 60 06:00 · 60 07:00 · 61 08:00 · 63 09:00 · 65 10:00 · 68 11:00 · 70 12:00 · 71 13:00 · 72 14:00 · 73 15:00 · 77 16:00 · 97 17:00 · 108 18:00 · 119 19:00 · 115 20:00 · 108 21:00 · 93 22:00 · 77 23:00 · 58 00:00 · 55 01:00 · 55 02:00 · 56 03:00 · 56 04:00 · 56 05:00 · 57 06:00 · 58 07:00 · 61 08:00 · 63 09:00 · 63 10:00 · 65 11:00 · 69 12:00 · 73 13:00 · 77 14:00 · 79 15:00 · 80 16:00 · 80 17:00 · 80 18:00 · 78 19:00 · 75 20:00 · 72 21:00 · 69 22:00 · 66 23:00 · 63 00:00 · 61 01:00 · 59 02:00 · 60 03:00 · 61 04:00 · 63 05:00 · 64 06:00 · 64 07:00 · 65 08:00 · 66 09:00 · 67 10:00 · 70 11:00 · 74 12:00 · 77 13:00 · 78 14:00 · 79 Now

US EPA AQI per hour, UTC+7. Particles use EPA’s NowCast (a 12-hour weighted average), ozone and CO an 8-hour average. Lighter bars are the CAMS forecast.

Show as a table
TimeAQI
Mon 20:0080
Mon 21:0074
Mon 22:0064
Mon 23:0061
Tue 00:0059
Tue 01:0058
Tue 02:0058
Tue 03:0060
Tue 04:0060
Tue 05:0060
Tue 06:0060
Tue 07:0061
Tue 08:0063
Tue 09:0065
Tue 10:0068
Tue 11:0070
Tue 12:0071
Tue 13:0072
Tue 14:0073
Tue 15:0077
Tue 16:0097
Tue 17:00108
Tue 18:00119
Tue 19:00 · Now115
Tue 20:00 · Forecast108
Tue 21:00 · Forecast93
Tue 22:00 · Forecast77
Tue 23:00 · Forecast58
Wed 00:00 · Forecast55
Wed 01:00 · Forecast55
Wed 02:00 · Forecast56
Wed 03:00 · Forecast56
Wed 04:00 · Forecast56
Wed 05:00 · Forecast57
Wed 06:00 · Forecast58
Wed 07:00 · Forecast61
Wed 08:00 · Forecast63
Wed 09:00 · Forecast63
Wed 10:00 · Forecast65
Wed 11:00 · Forecast69
Wed 12:00 · Forecast73
Wed 13:00 · Forecast77
Wed 14:00 · Forecast79
Wed 15:00 · Forecast80
Wed 16:00 · Forecast80
Wed 17:00 · Forecast80
Wed 18:00 · Forecast78
Wed 19:00 · Forecast75
Wed 20:00 · Forecast72
Wed 21:00 · Forecast69
Wed 22:00 · Forecast66
Wed 23:00 · Forecast63
Thu 00:00 · Forecast61
Thu 01:00 · Forecast59
Thu 02:00 · Forecast60
Thu 03:00 · Forecast61
Thu 04:00 · Forecast63
Thu 05:00 · Forecast64
Thu 06:00 · Forecast64
Thu 07:00 · Forecast65
Thu 08:00 · Forecast66
Thu 09:00 · Forecast67
Thu 10:00 · Forecast70
Thu 11:00 · Forecast74
Thu 12:00 · Forecast77
Thu 13:00 · Forecast78
Thu 14:00 · Forecast79

Pollutants this hour

  • PM2.5 14.9 µg/m³ 24-hour mean 16.7 µg/m³ · 1.1× WHO’s 24-hour guideline (15) 67
  • PM10 18 µg/m³ 19
  • O₃ 112 µg/m³ 115
  • NO₂ 26 µg/m³ 12
  • SO₂ 10 µg/m³ 4
  • CO 4.67 mg/m³ 16

Modelled concentrations at the city’s location (CAMS). The sub-index uses the same averaging as the headline, so the highest one is the AQI.

Nearby cities

City AQI
Singapore Singapore 115
Johor Bahru Malaysia 113
Pekanbaru Riau 61
Jambi City Jambi 170
Kuala Lumpur Malaysia 150
Palembang South Sumatra 73
Padang West Sumatra 84

Where this number comes from

The Copernicus Atmosphere Monitoring Service (CAMS) forecasts air pollution worldwide on a grid (about 11 km over Europe, about 45 km elsewhere). We take the grid value at Batam’s coordinates and score it with the US EPA’s method. It is a model, not a measurement: a nearby monitoring station can read quite differently, especially next to busy roads or during fires and dust storms.

Full methodology · Data: CAMS via Open-Meteo (CC BY 4.0); city list: GeoNames (CC BY 4.0).

  • Good 0–50
  • Moderate 51–100
  • Unhealthy for sensitive groups 101–150
  • Unhealthy 151–200
  • Very unhealthy 201–300
  • Hazardous 301–500

Questions

What is the AQI in Batam right now?
115 on the US EPA scale (Unhealthy for sensitive groups) at 19:00 UTC+7, 3 Nov. O₃ is the pollutant with the highest sub-index. This is a modelled estimate from the Copernicus Atmosphere Monitoring Service (CAMS), not a reading from a monitoring station.

Is it safe to exercise outside in Batam today?
For most people, yes; people with asthma, heart or lung disease, older adults and children should take it easier. The EPA’s statement for “Unhealthy for sensitive groups”: Members of sensitive groups may experience health effects. The general public is less likely to be affected. General guidance, not medical advice.

Will the air in Batam get better or worse tomorrow?
Over the next 24 hours the model expects the AQI to range from 55 around 00:00 to 108 around 20:00 (3 Nov). Forecasts beyond a day are less certain.

How does Batam compare with other cities?
Right now it is the 152nd most polluted of 849 cities we track worldwide, and 10th of 25 in Indonesia, all on the same US EPA scale.

Why does another app show a different AQI for Batam?
Apps differ in source (government stations, low-cost sensors or a model like this one), in scale (US EPA, European, or a national index) and in averaging (hourly or NowCast, 8-hour, 24-hour). This page uses the US EPA AQI with EPA’s NowCast for particles, computed from the CAMS forecast for the city’s location.